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6. TECHNICAL SPECIFICATION

LTO MS1 TECHNICAL SPECIFICATION

AUDIO INPUT

Connectors

1/4" jack
RF filtered, Servo balanced input
30 kohms Balanced, 22 kohms Unbalanced
+26 dBu Balanced and Unbalanced
Typ.40 dB,>55 dB@1 kHz

1/4" jack
Balanced
100 Ohm
+26 dBu Balanced
10 Hz to 30 kHz, +/-1 dB(FLAT)
>110 dB, Unweighted, 22 Hz to 22 kHz
0.005% typ. @ 0 dBu, 1 kHz,(unity gain), FLAT
CLIP LED Display: +7 dBu
USA/Canada

120V~, 60 Hz

U.K./Australia

240V~, 50 Hz

Europe

230V~, 50 Hz

5 W
130(W) 117(D) 45(H) mm (5.1" 4.6" 1.7")
0.8 kg

Type
Impedance
Max. Input Level
CMRR
Connectors
Type
Min. Output Impedance
Max. Output Level
Frequency Response
S/N
THD
Input Level
AC Adaptor

AUDIO OUTPUT

SYSTEM SPECIFICATIONS

INDICATORS

POWER SUPPLY

Power Consumption
Dimension
Net Weight

PHYSICAL

10

Model Item
Passive System Type

Continuous Power
Peak Power
Max SPL at 1m
Frequency Response
Impedance Low-High
Crossover Frequency
Low Frequency Device
Connectors
Cabinet
Dimensions (H x W x D)

MS15S

Band-Pass
400 Watt AES Standard
800 Watt Peak
123 dB SPL calculated
45 Hz/200 Hz at -10dB
4 Ohm
160 Hz/6dB/oct.
15" Woofer/3" Voice Coil
2 x SPK4 @ Power Input/Output
Multi-layer Plywood/Black painted/Metal handle
600 x 485 x 600 (mm)

Model Item
Passive System Type

Continuous Power
Peak Power
Max SPL at 1m
Frequency Response
Impedance Low-High
Crossover Frequency
Low Frequency Device
Connectors
Cabinet
Dimensions (H x W x D)

MS18S

Band-Pass
400 Watt AES Standard
800 Watt Peak
124 dB SPL calculated
35 Hz/200 Hz at -10 dB
4 Ohm

18" Woofer/ 3" Voice coil
2 x SPK4 @ Power Input/Output
Multi-layer Plywood/Black painted/Metal handle
730 x 600 x 600 (mm)

Net Weight (lbs / kg)

75.84 lbs/34.40 kg

160 Hz/6 dB/oct.

Net Weight (lbs/kg)

105.16 lbs/47.70 kg

Summary of Contents for MS1

Page 1: ...PASSIVE MODELS MS SPEAKER ENCLOSURES OWNER S MANUAL www altoproaudio com Version 1 3 SEPTEMBER 2007 LTO R English ...

Page 2: ...es that may be sufficient to constitute the risk of electric shock or death This symbol wherever used alerts you to important operating and maintenance instructions Please read Protective Ground Terminal AC mains Alternating Current Hazardous Live Terminal ON Denotes the product is turned on OFF Denotes the product is turned off The apparatus shall be connected to a mains socket outlet with a prot...

Page 3: ... MS154 and two subwoofers MS15S MS18S This series uses trapezium configuration which greatly decreases the resonance of the standing wave in the cabinet The cabinets use hi density matrix spray paint technics and the bottom bracket design which makes mounting quickly and flexibly HF compression driver and vented LF for fully professional performance The LTO MS1 speaker modeller is designed for usi...

Page 4: ...ts output terminals with the inputs of a power amplifier Then select the preset as need 3 Complete other connections as illustrated 4 Turn on your mixer and MS1 first then the stereo power amplifier 5 Turn up the volume controls of your amplifier to about 70 6 Use PFL function to get the proper input level for the mixer and adjust the Main Mix Level control to manipulate the output level 7 After u...

Page 5: ...ad half of the impedance of one speaker INPUT THROUGH INPUT THROUGH 2 Connect the THROUGH socket of the first MS cabinet to the INPUT socket of the second MS cabinet MIXER MS1 INPUT OUTPUT D1 500W 2 dB 12 16 18 20 22 24 26 28 30 6 CH1 dB 12 16 18 20 22 24 26 28 30 6 CH2 SIG CLIP PROT SIG CLIP PROT VIRTUAL SUB STAGE MONITOR JAZZ CLUB CONCERT HALL SUB DISCO VOCAL ROCK ROLL JAZZ CLUB SUB DRUM KICK AR...

Page 6: ... side to the Input socket of your subwoofer with the second speaker cable connect the Output of the subwoofer to the Input of satellite 3 Complete other connections as illustrated 4 Turn on your mixer and MS1 first then the stereo power amplifier 5 Turn up the volume controls of your amplifier to about 70 6 Use PFL function to get the proper input level for the mixer and adjust the Main Mix Level ...

Page 7: ...wer LED This LED lights up when the unit is powered on 5 6 7 15VAC POWER LEFT LEFT MONO RIGHT RIGHT TIP PIN 2 RING PIN 3 SLEEVE PIN 1 INPUT OUTPUT TIP PIN 2 RING PIN 3 SLEEVE PIN 1 1 2 3 4 5 AC Inlet This jack is used to connect the AC power supply with the supplied 15V AC adapter 6 Output Connector This is a balanced 1 4 TRS jack which is used to connect devices such as the effects returns on a m...

Page 8: ...filtered at 125 Hz SPK 1 1 connected 2 2 not connected THRU LINK INPUT SOUND REINFORCEMENT SPEAKER SYSTEM DESIGNED AND DEVELOPMENT IN ITALY POWER HANDLING PEAK 800 Watts IMPEDANCE 8 ohms nominal SERIAL MODEL MS15S LTO R CONTINUOUS 400 Watts 1 2 PASSIVE SUBWOOFER MS15S MS18S 1 INPUT Receive the power coming from an external power amplifier SPK 1 1 connected 2 2 not connected 1 2 THRU LINK INPUT SOU...

Page 9: ...ive speaker cabinets The power connector has four terminals 1 1 2 2 only In our cabinets only 1 1 are used to connect the Speaker Speaker and 2 2 are not used For Passive Speaker Cabinets For LTO MS1 SPEAKER MODELLER Please use shielded twisting pair which can reduce noise and signal loss The of the connector is as follow wiring Sleeve Tip Ring TRS Type balanced ...

Page 10: ... Voice Coil 90 H x 60 V Elliptical Wave Guide 2 x SPK4 Power Input Link Trapezoidal Shape Composite Wood Metal Handle Black Paint finishing 750 x 450 x 420 mm 55 07 lbs 24 98 kg MS152 2 Way Vented Box 500 Watt AES Standard 1000 Watt Peak 127 dB Nominal 130 dB Peak 55 Hz 20 kHz at 10 dB 4 Ohms 250 Hz 2 kHz 12 dB Oct Electronic Dynamic Protection 2 x 15 Woofer 2 5 Voice coil 1 Driver 1 35 Voice coil...

Page 11: ...ut Link Trapezoidal Shape Multi layer Plywood Metal Handle Black Paint finishing 900 x 450 x 415 mm 67 59 lbs 30 66 kg Model Item Passive System Type Continuous Power Peak Power Max SPL at 1m Frequency Response Impedance Crossover Frequency Protection Low Frequency Device Mid Frequency Device High Frequency Device Coverage H x V Connectors Cabinet Dimensions H x W x D Net Weight lbs kg 3 Way Vente...

Page 12: ...AL 10 Model Item Passive System Type Continuous Power Peak Power Max SPL at 1m Frequency Response Impedance Low High Crossover Frequency Low Frequency Device Connectors Cabinet Dimensions H x W x D MS15S Band Pass 400 Watt AES Standard 800 Watt Peak 123 dB SPL calculated 45 Hz 200 Hz at 10dB 4 Ohm 160 Hz 6dB oct 15 Woofer 3 Voice Coil 2 x SPK4 Power Input Output Multi layer Plywood Black painted M...

Page 13: ...ou have completed the Warranty Registration Card in time 3 2 The warranty service is only available to the original consumer who purchased this product directly from the retail dealer and it can not be transferred 3 3 During the warranty service may repair or replace this product at its own option at no charge to you for parts or for labor in accordance with the right side of this limited warranty...

Page 14: ...hotocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2007 Seikaku Group SEIKAKU TECHNICAL GROUP LIMITED NO 1 Lane 17 Sec 2 Han Shi West Road Taichung 40151 Taiwan http www altoproaudio com Tel 886 4 22313737 email alto altoproaudio com Fax 886 4 22346757 ...

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